62 lines
2.3 KiB
TypeScript
62 lines
2.3 KiB
TypeScript
module es {
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export class CircleCollider extends Collider {
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/**
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* 创建一个具有半径的CircleCollider。
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* 请注意，当指定半径时，如果在实体上使用RenderableComponent，您将需要设置原点来对齐CircleCollider。
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* 例如，如果RenderableComponent有一个0,0的原点，并且创建了一个半径为1.5f * renderable.width的CircleCollider，你可以通过设置originNormalied为中心除以缩放尺寸来偏移原点
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*
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* @param radius
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*/
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constructor(radius: number = 1) {
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super();
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this.shape = new Circle(radius);
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if (radius == 1) {
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this._colliderRequiresAutoSizing = true;
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}
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}
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public get radius(): number {
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return (this.shape as Circle).radius;
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}
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public set radius(value: number) {
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this.setRadius(value);
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}
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/**
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* 设置圆的半径
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* @param radius
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*/
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public setRadius(radius: number): CircleCollider {
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this._colliderRequiresAutoSizing = false;
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let circle = this.shape as Circle;
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if (radius != circle.radius) {
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circle.radius = radius;
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circle._originalRadius = radius;
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this._isPositionDirty = true;
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if (this.entity != null && this._isParentEntityAddedToScene)
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Physics.updateCollider(this);
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}
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return this;
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}
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public debugRender(batcher: IBatcher) {
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batcher.drawHollowRect(this.bounds.x, this.bounds.y, this.bounds.width, this.bounds.height, new Color(76, 76, 76, 76), 2);
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batcher.end();
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batcher.drawCircle(this.shape.position, this.radius, new Color(139, 0, 0), 2);
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batcher.end();
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batcher.drawPixel(this.entity.transform.position, new Color(255, 255, 0), 4);
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batcher.end();
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batcher.drawPixel(this.shape.position, new Color(255, 0, 0), 2);
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batcher.end();
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}
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public toString() {
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return `[CircleCollider: bounds: ${this.bounds}, radius: ${(this.shape as Circle).radius}]`
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}
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}
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}
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